90275669009 has 4 divisors (see below), whose sum is σ = 92375103216. Its totient is φ = 88176234804.

The previous prime is 90275668997. The next prime is 90275669021. The reversal of 90275669009 is 90096657209.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (90275668997) and next prime (90275669021).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-90275669009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90275669059) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1049717039 + ... + 1049717124.

It is an arithmetic number, because the mean of its divisors is an integer number (23093775804).

Almost surely, 2^90275669009 is an apocalyptic number.

It is an amenable number.

90275669009 is a deficient number, since it is larger than the sum of its proper divisors (2099434207).

90275669009 is a wasteful number, since it uses less digits than its factorization.

90275669009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2099434206.

The product of its (nonzero) digits is 1837080, while the sum is 53.

The spelling of 90275669009 in words is "ninety billion, two hundred seventy-five million, six hundred sixty-nine thousand, nine".